Ecology Review

A population is...

• A group of one species in one area

• Multiple species that live in one area

• All of the living and nonliving things in an area

• None of these

All the green plants that provide the energy for consumers.

• consumers

• producers

• decomposers

• herbivores

A diagram that shows the transfer of energy from one organism to another (who is eaten by what).

• ecosystem

• environment

• food chain

• food web

A diagram that shows the transfer of energy in an ecosystem by using several food chains.

• food web

• organism

• food chain

• ecosystem

What do the arrows in the diagram represent?

• an increase in population

• the evolution of organisms

• the flow of energy

• ecological succession

All of the living AND non-living things in an area that interact with each other are called a/an __________.

• community

• ecosystem

• habitat

• population

A group of different species that live together and interact in an environment are called a/an __________.

• community

• habitat

• population

• species

ALL energy flow for an ecosystem begins with ...

• plants

• consumers

• sun

• decomposers

Ecology is the study of:

• only the living things in the environment

• only the nonliving things in the environment

• how living things interact with each other and the nonliving things in the environment

• scientists who perform research on living things

What type of organism can make its own food?

• A consumer (a heterotroph)

• A producer (an autotroph)

• A decomposer

• All of the above